Originally Posted by
jlb3
Hark! My 2018 status appears to have just posted. It's now showing my 15 nights from my credit card. However, question: I stayed in a Marriott 12/30-1/1. Shouldn't the 2 nights count towards 2018, since I checked out in 2018? It appears Marriott credited them to 2017.
December 30 and 31 are 2017 nights. If you had nights both before and after December 31, they would have been split between years.
New Year's Eve posts to which year?
The linked thread above has some examples.